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Inulin is a reserve carbohydrate in about 15 % of the flowering plants and is accumulated in underground tubers of e.g. chicory, dahlia and Jerusalem artichoke. This carbohydrate consists of linear chains of β-(2,1)-linked fructose attached to a sucrose molecule. Inulinases hydrolyse inulin into fructose and glucose. To find efficient inulin degrading… (More)

- V P Frolov, A L Larsen, M Christensen
- 2008

We study a simple system that comprises all main features of critical gravitational collapse, originally discovered by Choptuik and discussed in many subsequent publications. These features include universality of phenomena, mass-scaling relations, self-similarity, symmetry between super-critical and sub-critical solutions, etc. The system we consider is a… (More)

- J. Houbraken, C.M. Visagie, M. Meijer, J.C. Frisvad, P.E. Busby, J.I. Pitt +7 others
- Studies in mycology
- 2014

Species belonging to Penicillium section Aspergilloides have a world-wide distribution with P. glabrum, P. spinulosum and P. thomii the most well-known species of this section. These species occur commonly and can be isolated from many substrates including soil, food, bark and indoor environments. The taxonomy of these species has been investigated several… (More)

We examine the question of collapse of Turok's two-parameter family of cosmic strings. We first perform a classification of the strings according to the specific time(s) at which the minimal string size is reached during one period. We then obtain an exact analytical expression for the probability of collapse to black holes for the Turok strings. Our result… (More)

This poster discusses the advent of emotional/affective interfaces and key areas of late modernity, and it proposes that there could be said to exist some parallels between the development of computer interface design and the development of society as a whole. The poster suggests that research into social and cultural aspects of design may be conducive to… (More)

Buckling of rectangular building frames is customarily analyzed under the assumption that the effect of axial extensions is negligible. The structure can then buckle only in modes whose wavelength is short, Le., of the order column length. The negligence of axial extensions is certainly justified if the building is not too high as compared with its width.… (More)

In this thesis, basic knot theory is introduced, along with concepts from topology, algebra and algebraic topology, as they relate to knot theory. In the first chapter, basic definitions concerning knots are presented. In the second chapter, the fundamental group is applied as a method of distinguishing knots. In particular the torus knots are classified… (More)

- M. Christensen
- 2008

The static cylindrically symmetric solutions of the gravitating Abelian Higgs model form a two parameter family. In this paper we give a complete classification of the string-like solutions of this system. We show that the parameter plane is composed of two different regions with the following characteristics: One region contains the standard asymptotically… (More)

We show that in a pioneering paper by Polnarev and Zembowicz, some conclusions concerning the characteristics of the Turok-strings are generally not correct. In addition we show that the probability of string collapse given there, is off by a large prefactor (∼ 10 3).

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